工业仪表与自动化装置
工業儀錶與自動化裝置
공업의표여자동화장치
INDUSTRIAL INSTRUMENTATION & AUTOMATION
2015年
2期
58-61
,共4页
双向转发检测%可靠性%故障检测机制
雙嚮轉髮檢測%可靠性%故障檢測機製
쌍향전발검측%가고성%고장검측궤제
bidirectional forwarding detection%reliability%fault detection mechanism
主要介绍了专网的拓扑结构，分析了影响网络可靠性的几个因素和专网可靠性存在的问题；双向转发检测技术( BFD)的工作原理、常见的故障检测机制、BFD技术优点、OSPF路由协议交互工作流程，最后提出了工程中需注意的几个问题。
主要介紹瞭專網的拓撲結構，分析瞭影響網絡可靠性的幾箇因素和專網可靠性存在的問題；雙嚮轉髮檢測技術( BFD)的工作原理、常見的故障檢測機製、BFD技術優點、OSPF路由協議交互工作流程，最後提齣瞭工程中需註意的幾箇問題。
주요개소료전망적탁복결구，분석료영향망락가고성적궤개인소화전망가고성존재적문제；쌍향전발검측기술( BFD)적공작원리、상견적고장검측궤제、BFD기술우점、OSPF로유협의교호공작류정，최후제출료공정중수주의적궤개문제。
This article mainly introduces the network topological structure, analyzes the influence of the presence of several factors of the reliability of network and network reliability problem. The working principle and common fault detection mechanism, advantages of BFD technique, the OSPF routing proto-col interaction process of the bidirectional forwarding detection ( BFD) , finally puts forward some prob-lems needing attention in engineering.
